Question

simplify 2x2-xy+6x-4y+5xy-4x+6x2+3y

Answer 1

You add like terms and you get

8x^2+4xy-2x-y

Answer 2

2x^2-xy+6x-4y+5xy-4x+6x^2+3y

(like terms together)

2x^2+6x^2+6x-4x+5xy-xy-4y+3y

8x^2+2x+4xy-y

Hope it will help you